Pig and Frog Practical Lab Dissection Review

Question 1

What and where are the pinnae?

Answer 1

The pinnae are the ears and are located on the sides of the head.

Question 2

What and where is the radio-ulna?

Answer 2

The lower arm bone

Question 3

What and where is the humerus?

Answer 3

The upper arm

Question 4

What and where is the femur?

Answer 4

The upper leg

Question 5

What and where is the tibia-fibula?

Answer 5

The lower leg

Question 6

What and where are the carpals?

Answer 6

The hands/feet

Question 7

Where can you find smooth muscle?

Answer 7

Lining the intestines

Question 8

Where would you find find skeletal muscle?

Answer 8

Attached to bones

Question 9

Where would you find cardiac muscle?

Answer 9

The heart

Question 10

Do frogs have ribs?

Answer 10

No

Question 11

Do humans have ribs?

Answer 11

Yes

Question 12

Do pigs have ribs?

Answer 12

Yes

Question 13

Where on the frog is the tympanic membrane? What structure is the same in humans?

Answer 13

Near the ear sight (circular depressions in the sides of the head). The eardrum is the tympanic membrane in humans.

Question 14

Where is the deltoid muscle on the frog?

Answer 14

The shoulder

Question 15

Where is the pectoralis?

Answer 15

The frogs chest (pecs)

Question 16

Where is the external oblique?

Answer 16

The frog’s body’s sides.

Question 17

Where is the frog’s rictus abdominis?

Answer 17

The frogs chest (its abs)

Question 18

Where is the triceps femoris?

Answer 18

The quadricept

Question 19

Where is the gastrocnemius?

Answer 19

The calf

Question 20

Where is the gracilis major and minor?

Answer 20

The hamstring

Question 21

How do you determine the sex of a pig?

Answer 21

Male: look for the scrotal sacks and urigenital opening near the umbilical cord
……………………………………………………….
Female: look for the urigenital papillae

Question 22

Stomach’s function:

Answer 22

To break down food

Question 23

Liver’s function:

Answer 23

To create bile

Question 24

Small Intestine function:

Answer 24

To absorb nutrients

Question 25

Large Intestine function:

Answer 25

To absorb excess water from waste

Question 26

Kidney function and connection:

Answer 26

Function: To filter the blood Connections: Connected to the Ureters

Question 27

Spleen function and connections:

Answer 27

Function: Storage and purification of red blood cells ................................................................ Connections: To the tail of the pancreas and to the splenic arteries.

Question 28

Uterus function and connections:

Answer 28

Function: Nurturing the fertilized ovum that develops into the fetus. ................................................................ Connections: Connected to the Fallopian tubes and the cervical canal.

Question 29

Oviducts function and connections:

Answer 29

Function: To carry the egg to the Uterus. ................................................................ Connections: To the Uterus and Ovaries.

Question 30

Ovaries function and connections:

Answer 30

Function: To produce eggs for reproduction. ............................................................... Connections: To the Oviducts.

Question 31

Testes function and connections:

Answer 31

Function: To produce sperm. ................................................................ Connections in the Pig: To the Epididymus and Vas Deferens. Connections in the Frog: To the kidneys and fat bodies.

Question 32

Fat Bodies function and connections:

Answer 32

Function: To store fat ................................................................ Connections: On the kidneys and in the body cavity.

Question 33

Papillae function:

Answer 33

To sense tastes (sensory papillae found on the tounge), and urigenital papillae (found on female pigs)

Question 34

Lungs function:

Answer 34

To inhale air

Question 35

Hard and Soft Palate function:

Answer 35

To aid in annunciation | Hard Palate has bones, Soft Palate does not

Question 36

Cerebrum function:

Answer 36

Controls emotions, thoughts and movements | Largest part of the brain

Question 37

Cerebellum function:

Answer 37

Coordinates and regulates muscular activities | Behind the cerebrum

Question 38

Medulla Oblongata function:

Answer 38

Regulates involuntary functions. (Connects to the spinal cord)

Question 39

Right/Left Atrium/Ventricle:

Answer 39

Pump blood

Question 40

Aorta function:

Answer 40

Supplies oxygenated blood to the body.

Question 41

Trachea function:

Answer 41

Carries air to the bronchioles from the mouth.

Question 42

Esophagus function:

Answer 42

Carries food to the stomach.

Question 43

Epiglottis function:

Answer 43

Covers the opening of the windpipe so good does not enter the trachea.

Question 44

What are the villi of the small intestine?

Answer 44

Small appendages that increase the surface area of the small intestine and absorb nutrients from the digested food.

Question 45

What two cavities are separated by the pig's diaphragm?

Answer 45

The Thoracic Cavity (holds the heart and lungs) and the Coelom cavity (holds the digestive system)

Question 46

Does the frog have a diaphragm?

Answer 46

No

Question 47

What is the function of the umbilical cord?

Answer 47

To deliver nutrients and oxygen to the baby from the mother.

Question 48

How many chambers does the frog's heart have?

Answer 48

3 chambers (the right atrium, left atrium, and ventricle)

Question 49

How many chambers does the pig's heart have?

Answer 49

4 chambers (the right atrium, left atrium, right ventricle, and the left atrium)

Question 50

Why are the frog's eyes positioned on top of its head?

Answer 50

To see above water

Question 51

What is Mysentery tissue?

Answer 51

The tissue that keeps all the organs in place.

Question 52

Why do pigs and humans have a soft spot on their heads when they are born?

Answer 52

To allow the baby's head to easily pass through the birth canal.

Question 53

What two systems make up the urigenital system?

Answer 53

The Excretory and Reproductive systems.

Question 54

To what kingdom and phylum do humans, pigs, and frogs belong?

Answer 54

Kingdom Animalia and Phylum Chordate

Question 55

Does the frog have an endoskeleton or exoskeleton?

Answer 55

An endoskeleton

Question 56

Why is the ventricle of the heart more muscular than the atria?

Answer 56

Because the ventricle pumps the blood out into the body.

Question 57

Where can you find coronary circulation?

Answer 57

The heart

Question 58

What are some differences between the Trachea and the Esophagus?

Answer 58

The trachea leads to the lungs while the esophagus leads to the stomach; The trachea has rings while the esophagus does not.

Question 59

What is a quadruped vs. a biped?

Answer 59

A quadruped is an animal that walks on four legs, while a biped is an animal that walks on two legs.

Question 60

What is plantigrade vs. digitgrade?

Answer 60

A plantigrade is a mammal that walks on the soles of its feet. A digitgrade is a mammal that walks on its toes.

Question 61

What is the coelom?

Answer 61

The body cavity in metazoans, located between the intestinal canal and the body wall that holds the internal organs.

Question 62

What two organs does the bile duct connect?

Answer 62

The gallbladder and the small intestine.

Question 63

Why are the pig's lungs larger than the frog's?

Answer 63

Because the pig can only breath through its lungs, but a frog can also breath through its skin, leading it to need smaller lungs.

Question 64

What does the Eustachian tube connect to?

Answer 64

It connects the ear to the nasopharynx/mouth.

Question 65

What is the cloaca and is it in pigs or frogs?

Answer 65

The cloaca is a common chamber in vertebrates that is an outlet into which the intestinal, urinary, and genital tracts open. It is found in frogs.

Question 66

Where does the umbilical vein lead from and to?

Answer 66

From the umbilical chord to the heart.

Question 67

What is the nicitating membrane?

Answer 67

The eyelids